78900323201 has 4 divisors (see below), whose sum is σ = 90171797952. Its totient is φ = 67628848452.

The previous prime is 78900323141. The next prime is 78900323221. The reversal of 78900323201 is 10232300987.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78900323201 - 2⁶ = 78900323137 is a prime.

It is a super-2 number, since 2×78900323201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78900323221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5635737365 + ... + 5635737378.

It is an arithmetic number, because the mean of its divisors is an integer number (22542949488).

Almost surely, 2^78900323201 is an apocalyptic number.

It is an amenable number.

78900323201 is a deficient number, since it is larger than the sum of its proper divisors (11271474751).

78900323201 is a wasteful number, since it uses less digits than its factorization.

78900323201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11271474750.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 78900323201 in words is "seventy-eight billion, nine hundred million, three hundred twenty-three thousand, two hundred one".